How serious is MetOfficeto understand a “weather bomb”
posted: 14 December 2014

Reference MetOffice/UK-text:
 http://metofficenews.wordpress.com/2014/12/10/a-closer-look-at-weather-bombs/

The matter is about exceptions. Somewhere between 45 and 65 “weather bombs” occur worldwide per year, with more ‘bombs’ occurring in the northern than southern hemisphere, says MetOffice (12 Dec.14) explaining that term as a rapid fall in central pressure of a depression (or low pressure) – it has to fall by 24 millibars in 24 hours in our latitudes to meet the criterion, providing as example the maps from 8^th and 9^th December at noon (HERE)

08 Dec.2014 - north-west Atlantic at midday 968 millibar	09 Dec. 2014 – south-west of Iceland , 12h 942 millibar

 75 years ago World War II was just three months old. On 30^th November 1939 The Soviet Union attacked Finland . Naval war activities took place in all sea areas from the Biscay to the North Cape . Only three weeks later, a highly spectacular weather event took place on the longest night north of the Arctic Circle off Roest (Lofoten) near the Norwegian port of Narvik . Actually on 20December 1939 a cyclone developed quickly, pushing the prevailing air pressure down by 54.6 mb in 24 hours.

20 Dec. 1939 - Roest/Lofoten; About 2015 millibar	21 Dec. 1939 - Roest/Lofoten; < 975 millibar

 The Swedish Weather Annual for December 1939 reported this event noting that the air pressure fell by 12mm within three hours. This matches with hurricane conditions. In addition to this development, the course of the cyclone over the next few days, according to weather charts of “Deutsche Seewarte” is quite interesting:
___ Thursday, 21 December 8  a.m. , 975 mb, ca 100 miles west of Roest/Lofoten;
___Friday , 22 December, 8  a.m., 970 mb, Lula/Sweden ( north Baltic Sea);
___Saturday, 23 December, 8  a.m. 980 mb, Ladoga Lake;
___Sunday, 24 December, 8 a.m., 980 mb, ca. 100 miles south of Leningrad.
 What triggered  the development of this exceptional cyclone in the first place? Discussed here:  http://www.2030climate.com/a2005/02_21-Dateien/02_21.html  ; 
                                                 see EXAMPLE 5.

The principle trigger must have been the ocean off the Lofoten, and other naval activities from Dover to Leningrad may have contributed. The Met Office is well advised to offer competent explanation for such extraordinary event. Their reasoning about the recent “weather-bomb”, would have indicated that the interior of the sea between Greenland and Iceland has caused it.

A matter to watch! A “superbomb” storm is being predicted for Christmas Day in the Northeast United states according to WeatherBell Meteorologist Dr. Ryan Maue who has pointed out it looks to be reminiscent of the Cleveland Superbomb of 1978 aka the “Great New England Blizzard of 1978″.

Further reading:

“Failures of Meteorology! Unable to Prevent Climate Change and World Wars? Oceans Make Climate!” 
http://www.seaclimate.com/

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 Material winter 2012/13 and discussion at :

14. June 2013: Met Office brainstorms UK bad weather, titles THE GUARDIAN – 13. June 2013 (ocl-7-9)

23. April 2013: Met-Off loose talk on cold March 2013? North and Baltic Sea should not be ignored! (ocl_9-8)
11. April 2013: 'Urgent' need to see if Arctic affects UK extreme cold? No! MetOffice should investigate the impact of human activities in the North- and Baltic Sea ! (co_9-4) 
03 April 2013: Did the cold March 2013 came from Siberia ? A not well founded claim! (ocl_9-9) 
29 March 2013: Cold March 2013 in company with March 1942 & 1917 (co 10-2)  
27. March 2013: Strong Start – Strong Ending; Winter 2012/13. About the Role of North- and Baltic Sea (2007seatraining 1310)
26. March 2013; March 2013 snow in the UK and the North Sea . Did human activities contributed? (ocl 10_2) 
21 March 2013; Cold March 2013 in UK and North Europe science should be able to explain! (ocl_10-3) 
07 March 2013:  Winter 2012/13 for Northern Europe is over! The Baltic and North Sea will prevent a surprise in March! (ocl-10_4)
19. January 2013: Northern Europe's bulwark against Asian cold from 19-31. (oc_12-8)
14. January 2013: North- and Baltic Sea influence Europe ’s winter 2012/2013 until now. (ocl_12_6) 
09 December 2012 (+ 21 & 26 Dec) : Are we heading to severe Baltic Sea ice conditions by 30th December 2012? (2007seatraining)

 Essays on arctic warming causes cold winters 

2013__Environmental Research Letters Volume 8 Number 1 Qiuhong Tang et al 2013 Environ. Res. Lett. 8 014036 doi:10.1088/1748-9326/8/1/014036 
Cold winter extremes in northern continents linked to Arctic sea ice loss  http://iopscience.iop.org/1748-9326/8/1/014036  ___”The results suggest that the winter atmospheric circulation at high northern latitudes associated with Arctic sea ice loss, especially in the winter, favours the occurrence of cold winter extremes at middle latitudes of the northern continents.”

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